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Installed macOS High Sierra. Won't Update from OS X 10.9.5

I thought I would update my OS this morning. Went to the App Store, Updated my software to High Sierra, but it will not launch the new OS. I am still using OS X 10.9.5


Any ideas what to do? I have restarted and the app store says that High Sierra is Installed.


Confused in NJ

iMac, OS X Mavericks (10.9.5)

Posted on Jul 27, 2018 9:36 AM

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Question marked as Best reply

Posted on Jul 27, 2018 9:39 AM

https://support.apple.com/kb/SP765?locale=en_US


You can try launching the installer manually from the Applications folder.


Install\ macOS\ High\ Sierra.app

3 replies

Installed macOS High Sierra. Won't Update from OS X 10.9.5

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